This article establishes a fracture criterion of crack type I under quasi-state conditions and brings forward a new concept and an expression of surface energy.
本文建立了准静态情况下I型裂纹的断裂准则，提出了新的表面能概念及其表达式。
This article establishes a fracture criterion of crack type I under quasi-state conditions and brings forward a new concept and an expression of surface energy.
本文建立了准静态情况下I型裂纹的断裂准则，提出了新的表面能概念及其表达式。
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